$ git clone -n https://gitee.com/src-opencloudos-rpms/whois.git /var/lib/mock/dist-oc9-build-60634-16463/root/chroot_tmpdir/scmroot/whois
Cloning into '/var/lib/mock/dist-oc9-build-60634-16463/root/chroot_tmpdir/scmroot/whois'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/whois
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bead6b2 import whois-5.5.12-4.tl4